diff --git a/Demo/Makefile.am b/Demo/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Demo/Makefile.am
@@ -0,0 +1,60 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(AMD_CFLAGS) $(UFCONFIG_CFLAGS)
+LDADD = $(top_builddir)/Source/libldl.la
+
+EXTRA_DIST = \
+	ldlamd.out \
+	ldllamd.out \
+	ldlmain.out \
+	ldllmain.out \
+	ldlsimple.out \
+	ldllsimple.out
+
+# Disable the .out implicit pattern rule.  Prevents GNU make from
+# adding bogus dependencies for the .out files listed above.
+%.out: %
+
+check_PROGRAMS = \
+	ldlamd \
+	ldllamd \
+	ldlmain \
+	ldllmain \
+	ldlsimple \
+	ldllsimple
+
+ldlamd_SOURCES = ldlmain.c
+ldlamd_CPPFLAGS =  $(AM_CPPFLAGS) -DUSE_AMD
+ldlamd_LDADD = $(LDADD) $(AMD_LIBS)
+
+ldllamd_SOURCES = ldlmain.c
+ldllamd_CPPFLAGS =  $(AM_CPPFLAGS) -DUSE_AMD -DLDL_LONG
+ldllamd_LDADD = $(LDADD) $(AMD_LIBS)
+
+ldlmain_SOURCES = ldlmain.c
+
+ldllmain_SOURCES = ldlmain.c
+ldllmain_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+ldlsimple_SOURCES = ldlsimple.c
+
+ldllsimple_SOURCES = ldlsimple.c
+ldllsimple_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+ldllmain.out: ldlmain.out
+	$(LN_S) -f $< $@
+
+ldllsimple.out: ldlsimple.out
+	$(LN_S) -f $< $@
+
+check-local: $(check_PROGRAMS) $(check_PROGRAMS:=.out)
+	@for i in $(check_PROGRAMS); do \
+		echo "Testing $$i"; \
+		./$$i$(EXEEXT) > my_$$i.out; \
+		if diff -u $$i.out my_$$i.out; then \
+			echo "Test $$i PASSED."; \
+		else \
+			echo "Test $$i FAILED."; \
+		fi; \
+	done
+
+clean-local:
+	-$(RM) my_*.out
diff --git a/Doc/Makefile.am b/Doc/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Doc/Makefile.am
@@ -0,0 +1,13 @@
+EXTRA_DIST = ChangeLog lesser.txt
+
+dist_noinst_DATA = ldl_userguide.tex ldl.bib
+pdf_DATA = ldl_userguide.pdf
+
+ldl_userguide.pdf: ldl_userguide.tex ldl.bib
+	pdflatex ldl_userguide
+	bibtex ldl_userguide
+	pdflatex ldl_userguide
+	pdflatex ldl_userguide
+
+clean-local:
+	-$(RM) *.aux *.bbl *.blg *.log *.toc
diff --git a/Include/Makefile.am b/Include/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Include/Makefile.am
@@ -0,0 +1,2 @@
+pkgincludedir = $(includedir)/ldl
+pkginclude_HEADERS = ldl.h
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,5 @@
+SUBDIRS = Include Source Matrix Demo Doc
+EXTRA_DIST = README.txt
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = ldl.pc
diff --git a/Matrix/Makefile.am b/Matrix/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Matrix/Makefile.am
@@ -0,0 +1,4 @@
+dist_noinst_DATA = \
+	A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 \
+	A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 \
+	A21 A22 A23 A24 A25 A26 A27 A28 A29 A30
diff --git a/Source/Makefile.am b/Source/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Source/Makefile.am
@@ -0,0 +1,16 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(UFCONFIG_CFLAGS)
+
+LDLSRC = \
+	ldl.c
+
+lib_LTLIBRARIES = libldl.la
+noinst_LTLIBRARIES = libldli.la libldll.la
+
+libldli_la_SOURCES = $(LDLSRC)
+
+libldll_la_SOURCES = $(LDLSRC)
+libldll_la_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+libldl_la_SOURCES =
+libldl_la_LIBADD = libldli.la libldll.la
+libldl_la_LDFLAGS = -no-undefined -version-info 2:3:0
diff --git a/configure.ac b/configure.ac
new file mode 100644
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,36 @@
+AC_PREREQ([2.68])
+AC_INIT([LDL],[2.0.3],[davis@cise.ufl.edu])
+AC_CONFIG_SRCDIR([Source/ldl.c])
+AC_CONFIG_HEADER([config.h])
+AM_INIT_AUTOMAKE([foreign])
+LT_INIT
+
+AC_PROG_INSTALL
+AC_PROG_CC
+AC_PROG_LN_S
+
+LIBS_SAVED=$LIBS
+
+AC_CHECK_HEADERS([stdlib.h])
+
+PKG_PROG_PKG_CONFIG
+PKG_CHECK_MODULES([UFCONFIG],[ufconfig],
+	[],
+	[AC_MSG_ERROR([cannot find ufconfig])])
+PKG_CHECK_MODULES([AMD],[amd],
+	[],
+	[AC_MSG_ERROR([cannot find amd])])
+
+AC_FUNC_MALLOC
+
+LIBS=$LIBS_SAVED
+
+AC_CONFIG_FILES([
+	ldl.pc
+	Makefile
+	Demo/Makefile
+	Doc/Makefile
+	Include/Makefile
+	Matrix/Makefile
+	Source/Makefile])
+AC_OUTPUT
diff --git a/ldl.pc.in b/ldl.pc.in
new file mode 100644
--- /dev/null
+++ b/ldl.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Description: A simple LDL^T factorization
+Version: @PACKAGE_VERSION@
+Requires.private: ufconfig
+Libs: -L${libdir} -lldl
+Cflags: -I${includedir}/ldl
